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13012053 = 34337351
BaseRepresentation
bin110001101000…
…110001010101
3220111002011220
4301220301111
511312341203
61142520553
7215413005
oct61506125
926432156
1013012053
11738816a
124436159
132907852
141a2a005
151220653
hexc68c55

13012053 has 4 divisors (see below), whose sum is σ = 17349408. Its totient is φ = 8674700.

The previous prime is 13012019. The next prime is 13012061. The reversal of 13012053 is 35021031.

It is a happy number.

13012053 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13012053 - 28 = 13011797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168673 + ... + 2168678.

It is an arithmetic number, because the mean of its divisors is an integer number (4337352).

Almost surely, 213012053 is an apocalyptic number.

It is an amenable number.

13012053 is a deficient number, since it is larger than the sum of its proper divisors (4337355).

13012053 is an equidigital number, since it uses as much as digits as its factorization.

13012053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337354.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13012053 is about 3607.2223385869. Note that the first 3 decimals coincide. The cubic root of 13012053 is about 235.2061146254.

Adding to 13012053 its reverse (35021031), we get a palindrome (48033084).

The spelling of 13012053 in words is "thirteen million, twelve thousand, fifty-three".

Divisors: 1 3 4337351 13012053